GridView Validation

hi

I have a gridview with two columns that contain a textbox each that i would like to validate. Each row also contains an imagebutton that does some action. How do i make it so that it only validates for the specific row that the button was click?


Allan

<asp:GridView ID="gvPossibleAnswers" EnableViewState="true" AutoGenerateColumns="false" runat="server" OnRowCreated="gvPossibleAnswers_RowCreated" OnRowDataBound="gvPossibleAnswers_RowDataBound">
                        <Columns>
                            <asp:BoundField HeaderText="Option ID" DataField="OptionID" />
                            <asp:TemplateField HeaderText="Label Text">
                                <ItemTemplate>
                                    <asp:TextBox ID="txtOptionText" runat="server" Text=""></asp:TextBox>
                                    <asp:RequiredFieldValidator id="rfvOptionText" ControlToValidate="txtOptionText" ErrorMessage="Answer Text is missing" Display="none" runat="server"></asp:RequiredFieldValidator>                       
                                </ItemTemplate>
                            </asp:TemplateField>
                            <asp:TemplateField HeaderText="Sort Order">
                                <ItemTemplate>
                                    <asp:TextBox ID="txtSortOrder" runat="server" Text=""></asp:TextBox>
                                    <asp:RegularExpressionValidator ID="revSortOrder" ControlToValidate="txtSortOrder" runat="server" ErrorMessage="Sort Order must be a digit" Display="none" ValidationExpression="^\d+$"></asp:RegularExpressionValidator>
                                </ItemTemplate>                        
                            </asp:TemplateField>
                            <asp:TemplateField HeaderText="Status">
                                <ItemTemplate>
                                    <asp:DropDownList EnableViewState="true" ID="ddlStatusInd" runat="server">
                                        <asp:ListItem Value="0S1" Text="Active" />
                                        <asp:ListItem Value="0S0" Text="InActive" />
                                    </asp:DropDownList>
                                </ItemTemplate>
                            </asp:TemplateField>
                            <asp:TemplateField HeaderText="Actions">
                                <ItemTemplate>
                                    <asp:ImageButton ID="imgBtnAdd" runat="server" ImageUrl="~/Images/Delete.gif" OnClick="imgBtnAdd_Click" />
                                    <asp:ImageButton ID="imgBtnEdit" runat="server" ImageUrl="~/Images/Edit.gif" OnClick="imgBtnEdit_Click" />
                                </ItemTemplate>
                            </asp:TemplateField>
                        </Columns>
                    </asp:GridView>

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